Seiko Cal. 6642 - 336

The Seiko 6642-336 represents an important milestone in Seiko's 1975 lineup. Powered by the 6642 caliber with 23j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-dc2a5ded94cc]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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